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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-23 17:10:15 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 18:25:18 +0000 |
| commit | 04c601bfa4cb29c968dcb66e44c799c9c01d8675 (patch) | |
| tree | 27fd5aaf5b6174a7f118f88ddbdb4eee3581ef56 /include/linux/mtd | |
| parent | 7219778ad9c18cc2c05c7fca0abe026afbc19dfb (diff) | |
| download | linux-04c601bfa4cb29c968dcb66e44c799c9c01d8675.tar.gz linux-04c601bfa4cb29c968dcb66e44c799c9c01d8675.tar.bz2 linux-04c601bfa4cb29c968dcb66e44c799c9c01d8675.zip | |
mtd: introduce mtd_get_unmapped_area interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/mtd.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index a7d22b7fcb4c..f38e8276b408 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -178,11 +178,6 @@ struct mtd_info { int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, void **virt, resource_size_t *phys); void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len); - - /* Allow NOMMU mmap() to directly map the device (if not NULL) - * - return the address to which the offset maps - * - return -ENOSYS to indicate refusal to do the mapping - */ unsigned long (*get_unmapped_area) (struct mtd_info *mtd, unsigned long len, unsigned long offset, @@ -293,6 +288,19 @@ static inline void mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len) return mtd->unpoint(mtd, from, len); } +/* + * Allow NOMMU mmap() to directly map the device (if not NULL) + * - return the address to which the offset maps + * - return -ENOSYS to indicate refusal to do the mapping + */ +static inline unsigned long mtd_get_unmapped_area(struct mtd_info *mtd, + unsigned long len, + unsigned long offset, + unsigned long flags) +{ + return mtd->get_unmapped_area(mtd, len, offset, flags); +} + static inline struct mtd_info *dev_to_mtd(struct device *dev) { return dev ? dev_get_drvdata(dev) : NULL; |